CVE-2026-24113

Critical

Description

An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Attackers may exploit the vulnerability by controlling the value of `nptr`. When this value is passed into the `getMibPrefix` function and concatenated using `sprintf` without proper size validation, it could lead to a buffer overflow vulnerability.

SeverityCritical
CVSS9.8
Exploit probability—
ProductTenda W20e Firmware
PublishedMar 2, 2026
First seenMar 2, 2026
Weakness typeCWE-120CWE-120

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
tenda w20e_firmware15.11.0.6—

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